document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1141287>Question 1141287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x) = −x^2 + 8x − 16\r<BR>\n" );
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document.write( "Rewrite the function in <BR>\n" );
document.write( "f(x) = a(x − h)2 + k<BR>\n" );
document.write( " form.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #761808 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=761808\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> vertex is x=-b/2a or -8/-2 = 4<BR>\n" );
document.write( "f(4)=0<BR>\n" );
document.write( "so have (x-4)^2+0 without a defined.<BR>\n" );
document.write( "this is x^2-8x+16<BR>\n" );
document.write( "multiply by -1 and have -x^2+8x-16<BR>\n" );
document.write( "so f(x)= -(x-4)^2 in vertex form. </SPAN>\n" );
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